The 6" Starred Seam Roller applies pressure to the carpet helping to ensure a good bond with the hot melt adhesive. The wide, 6" design also helps blend the repair area and yarns. The 6" Starred Seam Roller has all metal star wheel rollers and washers allowing the tool to be heated with a torch and run over scrap carpet to clean. With the comfortable handle, the 6" Starred Seam Roller is a must for carpet repair. Ideal for cut-pile carpet!